Super-Junction MOSFETs Target Energy-Saving Power Topologies

STMicroelectronics offers its MDmesh M6 series of 600 V super-junction transistors. They are engineered for high efficiency in medium-power resonant and hard-switching converter topologies. The threshold voltage optimized for soft switching makes the new transistors well suited for LLC resonant converters and boost-PFC converters in energy-conscious applications. MDmesh M6 devices perform efficiently in hard-switching topologies, too, with their capacitance profile enhancing light-load efficiency and gate charge (Qg) as low as 16 nC permitting high switching frequencies.In addition, ST’s state-of-the-art M6 super-junction technology helps reduce RDS(ON) to as little as 0.036 ohms, unleashing extra efficiency gains and increasing power density in equipment such as battery chargers, power adapters, PC power supplies, LED-lighting drivers, telecom and server power supplies, and solar micro-inverters.

Package options include the space-saving and thermally efficient new leadless TO-LL, as well as popular through-hole and surface-mount packages including DPAK, D2PAK, TO-220, TO-247, and PowerFLAT. The JEDEC-registered TO-LL power-package outline has 30% smaller footprint and 50% lower height than the established D²PAK 7-pin, allowing more compact and space-efficient power converters. With low parasitic inductances, TO-LL also helps minimize electromagnetic interference.

Part of the STPOWER portfolio, the MDmesh M6 series comprises 37 part numbers covering current ratings from 13 A to 72 A and is in production now.

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